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Round|Natural|GIA

1.00ct F IF Round Natural Diamond

EX • F/IF • GIA 5231509355

Certificate GIA 5231509355

Diamond specifications and retailer prices

From $6,650 USD
As of November 1, 2026
Save $6,259 USD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,909 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5231509355. Listed at 19 retailers as of October 30, 2026, with prices from $6,650 to $12,909, a $6,259 spread on the same certified stone. NZ Jewellers lists it at $12,909. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231509355
Dimensions6.50 × 6.47 × 3.86 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.50 mm6.47 mm1.00 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231509355
Side View
Table 59.0%Crown 34°Girdle: ThickPavilion 40.6°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,227 USD|Low: $5,912 USD|High: $10,885 USD|Avg: $7,627 USD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$5,912 USD
Retailer 9$6,650 USD
Retailer 10$6,671 USD
Retailer 5$6,914 USD
Retailer 3$7,120 USD
Retailer 11$7,123 USD
Retailer 1$7,227 USD
Retailer 8$7,441 USD
Retailer 4$8,397 USD
Retailer 7$9,483 USD
Retailer 6$10,756 USD

36 data points across 11 retailers

19 retailers$6,650 USD to $12,909 USD

Retailer 1
-
$5,912 USD
€5,630 EUR
Price last confirmed 9 days ago
B+
Retailer 2
-
$6,650 USD
View
B+
Retailer 3
-
$6,658 USD
View
B+
Retailer 4
-
$6,671 USD
View
B+
Retailer 5
-
$6,914 USD
£5,444 GBP
View
B+
Retailer 6
-
$7,120 USD
View
B+
Retailer 7
-
$7,123 USD
View
Final sale: no returns
B+
Retailer 8
-
$7,124 USD
View
B+
Retailer 9
-
$7,227 USD
£5,691 GBP
View
Retailer 10
-
$7,441 USD
A$11,448 AUD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$7,718 USD
View
B+
Retailer 12
-
$7,837 USD
View
B+
Retailer 13
-
$7,848 USD
View
B+
Retailer 14
-
$8,352 USD
£6,576 GBP
View
B+
Retailer 15
-
$8,397 USD
€7,997 EUR
View
B+
Retailer 16
-
$8,905 USD
View
B+
Retailer 17
-
$9,483 USD
ZAR 153,195 ZAR
View
B
Retailer 18
-
$10,756 USD
£8,469 GBP
View
Most Expensive
B
NZ Jewellers
038ca213-2bb3-4638-856d-d3805f30c755 · Oct 30
$12,909 USD
View
18 more retailers have this diamond
Prices start from $6,650 USDSave up to $6,259 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.00ct Round
$6,650 USD